Charset

v::charset(mixed $charset)

Validates if a string is in a specific charset.

v::charset('ASCII')->validate('açúcar'); // false
v::charset('ASCII')->validate('sugar');  //true
v::charset(['ISO-8859-1', 'EUC-JP'])->validate('日本国'); // true

The array format is a logic OR, not AND.

See also:

Alnum
Alpha